ATMEGA8A-AU

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ATMEGA8A-AU

IC MCU 8BIT 8KB FLASH 32TQFP

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Spécifications

Package Bulk
Series AVR® ATmega
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 16MHz
Connectivity I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 23
ProgramMemorySize 8KB (4K x 16)
ProgramMemoryType FLASH
EEPROMSize 512 x 8
RAMSize 1K x 8
Voltage-Supply(Vcc/Vdd) 2.7V ~ 5.5V
DataConverters A/D 8x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 32-TQFP

Vue d'ensemble

Description

The ATmega8A-AU is an 8-bit microcontroller from the AVR family, developed by Microchip Technology. It features a 16 MHz maximum clock speed, 1 KB of SRAM, 8 KB of flash memory for program storage, and 512 bytes of EEPROM for non-volatile data retention. This microcontroller is equipped with 23 programmable I/O lines, six PWM channels, and a 10-bit ADC with up to eight input channels, making it suitable for a variety of applications, from simple embedded systems to more complex control tasks.
The ATmega8A-AU operates on a wide voltage range of 2.7V to 5.5V, which enhances its versatility in different power environments. It supports various communication protocols, including SPI, USART, and I2C, facilitating integration with other devices and systems. Additionally, it is available in a compact 32-pin quad flat package (QFP), making it ideal for space-constrained applications. The ATmega8A-AU is widely used in hobbyist projects, robotics, and educational tools due to its ease of use and extensive community support.

Features

The ATmega8A-AU is an 8-bit microcontroller from Atmel, featuring the following:
1. Architecture: AVR RISC architecture with 128 instructions.
2. Memory: 8KB of Flash memory, 1KB of SRAM, and 512 bytes of EEPROM.
3. I/O Ports: 23 general-purpose I/O pins.
4. Clock Speed: Operates at up to 16 MHz.
5. ADC: 10-bit, 8-channel Analog-to-Digital Converter.
6. Timers: Three timer/counters (two 8-bit and one 16-bit).
7. Communication Interfaces: Supports USART, SPI, and I2C.
8. Low Power Consumption: Various sleep modes for energy efficiency.
9. Operating Voltage: 2.7V to 5.5V.
10. Package: Available in 28-pin DIP and TQFP packages.
The ATmega8A-AU is widely used for applications in embedded systems, robotics, and automation, making it a versatile choice for hobbyists and professionals alike.

Package

The ATmega8A-AU is packaged in a TQFP (Thin Quad Flat Package) with 32 pins.

Pinout

The ATmega8A-AU is an 8-bit microcontroller from Microchip Technology, part of the AVR family. It comes in a 32-pin TQFP (Thin Quad Flat Package) form factor.
Pin Count: 32 pins
Functions:
- Digital I/O: 23 pins can be configured as general-purpose I/O (GPIO).
- Analog Inputs: 6 of the pins can function as analog inputs for the 10-bit ADC (Analog-to-Digital Converter).
- PWM Outputs: 6 pins support Pulse Width Modulation (PWM).
- Communication Interfaces: Includes USART for serial communication and SPI/I2C capabilities.
- External Interrupts: 2 pins can be used for external interrupt sources.
- Reset Pin: 1 pin is dedicated to the reset function.
- Power Supply: 2 pins for VCC and GND.
The ATmega8A-AU is widely used in embedded systems due to its versatility and ease of use in various applications.

Manufacturer

The ATMEGA8A-AU is manufactured by Microchip Technology Inc., a leading semiconductor company. Microchip specializes in designing and manufacturing microcontrollers, analog semiconductors, and memory products. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves various markets, including automotive, industrial, consumer electronics, and IoT applications. The ATMEGA8A-AU is part of the AVR microcontroller family, known for its ease of use and low power consumption, making it popular among hobbyists and professionals alike for embedded system projects.

Application

The ATmega8A-AU is widely used in embedded systems for applications such as home automation, robotics, sensor interfacing, and motor control. It is suitable for DIY projects, educational purposes, and prototyping due to its ease of use. Additionally, it finds applications in consumer electronics, data logging, and industrial automation systems. Its low power consumption and versatility make it ideal for battery-operated devices.

Equivalent

Equivalent products to the ATMEGA8A-AU chip include the ATmega8, ATmega8L, and ATmega88 series, such as the ATmega88PA. Other alternatives may include the PIC16F84A from Microchip or the MSP430 series from Texas Instruments, depending on specific requirements like voltage and memory. Always verify compatibility based on application needs.

Expédition

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DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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